毕业设计的重点是零件数控加工的工艺分析和工艺规划，采用两次装夹的加工方案，制定了各工步的加工内容和切削用量。

Graduation is designed to focus on parts of the NC process of analysis and planning, the use of two processing fixture programme, developed the content for further processing and cutting parameters.

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将工件视为弹性体，运用有限元分析软件ANSYS，对采用台钳直接装夹和工装装夹中零件产生的变形进行模拟。

The workpiece was considered as elastomer, and was deformation when clamped both by bench clamp and fixture was simulated with ANSYS.

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